package wellness.activities.util;

import android.app.Activity;
import android.content.Context;
import android.content.res.Resources;
import android.util.DisplayMetrics;

public class Utilidades {

	public static String getNumeroFormatado(Integer n){
		
		if(n < 10){
			return "0" + n;
		}
		
		return n.toString();
	}
	

		/**
		 * This method convets dp unit to equivalent device specific value in
		 * pixels.
		 * 
		 * @param dp
		 *            A value in dp(Device independent pixels) unit. Which we need
		 *            to convert into pixels
		 * @param context
		 *            Context to get resources and device specific display metrics
		 * @return A float value to represent Pixels equivalent to dp according to
		 *         device
		 */
		public static float convertDpToPixel(float dp, Context context) {
			Resources resources = context.getResources();
			DisplayMetrics metrics = resources.getDisplayMetrics();
			float px = dp * (metrics.densityDpi / 160f);
			return px;
		}

		/**
		 * This method converts device specific pixels to device independent pixels.
		 * 
		 * @param px
		 *            A value in px (pixels) unit. Which we need to convert into db
		 * @param context
		 *            Context to get resources and device specific display metrics
		 * @return A float value to represent db equivalent to px value
		 */
		public static float convertPixelsToDp(float px, Context context) {
			Resources resources = context.getResources();
			DisplayMetrics metrics = resources.getDisplayMetrics();
			float dp = px / (metrics.densityDpi / 160f);
			return dp;

		}
	
}
